Anthony Has Added the Vectors Listed Below and Gotten the Result

question 7

Multiple Choice

Anthony has added the vectors listed below and gotten the result . What errors has he made? ​ ​
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• A)He lost the minus sign in vector .
• B)He read the in as .
• C)He lost the minus sign in vector .
• D)All of the above are correct.
• E)Only (a) and (b) above are correct.

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Definitions:

Equilibrium Quantity

The quantity of goods or services supplied that is equal to the quantity demanded at the market price.

Normal Good

A normal good is a type of good for which demand increases as the income of individuals increases.

Equilibrium Price

The rate at which the product's supply equals its demand in the market.

Equilibrium Quantity

At the prevailing market price, the supply of goods or services is exactly the same as the demand for them.